Weather Report for May 7, 2013

Observing campaign number 50(!) starts off at the Bok Telescope with a usable night. Nearly the first half of the night was spent observing through cirrus, but by midnight the sky had pretty much cleared. Over a dozen blazars were successfully observed for polarization and photometry was acquired for a majority of these objects. The seeing started out at a little bit better than 1.5 arcsec, but after midnight, brief seeing bursts of 3-5 arcsec were often endured. Outside of these episodes, the seeing was still often a little better than 2 arcsec.